<form method="POST" action="j_security_check">
    <table>
    <tr><td>User name:</td><td><input type="text" name="j_username" /></td></tr>
    <tr><td>Password:</td><td><input type="password" name="j_password" /></td></tr>
    <tr><td><input type="submit" value="Login" /></td></td></tr>
    </table>
</form>